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Inter-observer agreement of thoracolumbar fascia morphology: an exploratory analysis of ultrasound images

De Coninck, Kyra, Hambly, Karen, Passfield, Louis, Dickinson, John W., Muthumayandi, Karthikeyan (2015) Inter-observer agreement of thoracolumbar fascia morphology: an exploratory analysis of ultrasound images. In: Journal of Bodywork and Movement Therapies. 19 (4). pp. 668-669. Elsevier (doi:10.1016/j.jbmt.2015.07.005) (KAR id:58489)

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Abstract

BACKGROUND: Ultrasound imaging (USI) has been shown to be a valid method to investigate the morphology of the thoracolumbar fascia (TLF) [1]. A USI-based study has demonstrated that the TLF of subjects with chronic lower back pain (LBP) is on average 25% thicker and more disorganised compared to a control group [1]. The aim of this study is to explore inter-observer agreement between a range of clinicians on (dis)organisation of TLF in ultrasound images. There are currently no validated methods for the evaluation of USI of TLF.

RESULTS: The resulting ICC was in the excellent range, ICC = 0.98, indicating that observers had a high degree of consistency, suggesting that (dis)organisation was rated similarly across observers. Observers without USI experience scored an ICC = 0.96, observers with USI experience scored an ICC = 0.95, again both in the excellent range. In this small cohort, experience in USI does not appear to impact on consistency. The Krippendorff’s ordinal alpha ? was .621, indicating a modest degree of agreement.

CONCLUSIONS: The high ICC and modest Kalpha suggest that a minimal amount of measurement error was introduced by the independent observers, and therefore statistical power for subsequent analyses is not substantially reduced. This will allow for further analysis of USI images of TLF in terms of morphology and classification. This could ultimately, lead to a meaningful evaluation of treatments of TLF.

Item Type: Conference or workshop item (Speech)
DOI/Identification number: 10.1016/j.jbmt.2015.07.005
Uncontrolled keywords: thoracolumbar fascia, diagnostic ultrasound, classification chronic lower back pain
Subjects: R Medicine > RB Pathology
Divisions: Divisions > Division of Natural Sciences > School of Sport and Exercise Sciences
Depositing User: Dr Kyra De Coninck
Date Deposited: 09 Nov 2016 16:10 UTC
Last Modified: 16 Feb 2021 13:38 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/58489 (The current URI for this page, for reference purposes)
De Coninck, Kyra: https://orcid.org/0000-0002-2672-6761
Hambly, Karen: https://orcid.org/0000-0002-3442-2493
Passfield, Louis: https://orcid.org/0000-0001-6223-162X
Dickinson, John W.: https://orcid.org/0000-0002-1824-7402
Muthumayandi, Karthikeyan: https://orcid.org/0000-0001-8090-0452
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